Companies piloting self-driving vehicles on California streets have provided state regulators a peek into the latest inner workings of their real-world tests. The big takeaway? Many are still a long way from letting drivers take their hands off the wheel.

The future of driverless driving looks like a giant toaster with a funny hat. That's an approximation of a new autonomous vehicle unveiled by Nuro, a Silicon Valley startup that's been cryptic about its business plan.

California Governor Jerry Brown on Friday signed an executive order "to curb carbon pollution from cars and trucks and boost the number of zero-emission vehicles driven in California." He set a new target of 5 million zero-emission vehicles in California by 2030.